must be some bizarre cultural thing in your part of the world.
If someone is going close here, they are warned straight away, never seen anybody have a problem with it (why would they? it is a rule!)
and I don't just mean in open or higher level league, either, I was watching a B grade (4.0) league final the other night where one pair called a footfault on their opponents. No probs, the guy just moved back a bit and carried on.
5.0 all courter. Dunlop Bio 400T with cyclone @ 50, Prince CTS Precision 90
"Tennis isn't easy" - Corners